Number of chains of n-3 partitions in the reduced partition lattice on n elements.

A059355

Number of chains of n-3 partitions in the reduced partition lattice on n elements.

Terms

    a(0) =1a(1) =13a(2) =205a(3) =4245a(4) =114345a(5) =3919860a(6) =167310360a(7) =8719666200a(8) =545594049000

External references